Method for radiation transfer calculation in numerical simulation of strong perturbation in the atmosphere

Tatiana V. Losseva

doi:10.1117/12.2575441

12 November 2020 Method for radiation transfer calculation in numerical simulation of strong perturbation in the atmosphere

Tatiana V. Losseva

Author Affiliations +

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115608C (2020) https://doi.org/10.1117/12.2575441
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

The work is devoted to an effective method of radiation transfer equations (multi-group diffusion equations) solving used in the numerical simulations of strong perturbations in the atmosphere. The finite-difference approximations of these equations based on the conservative properties of finite difference schemes are presented. In this scheme the analytical solutions of diffusion equations (both for the energy density and for the flux density) are determined inside each layer of a difference grid under the assumption of constancy of the gas-dynamic parameters. The results of test calculations of a number of problems are presented.

Citation Download Citation

Tatiana V. Losseva "Method for radiation transfer calculation in numerical simulation of strong perturbation in the atmosphere", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115608C (12 November 2020); https://doi.org/10.1117/12.2575441

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